diff options
| -rw-r--r-- | libevmasm/ExpressionClasses.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/libevmasm/ExpressionClasses.cpp b/libevmasm/ExpressionClasses.cpp index bb71be2e..d5ccd7e3 100644 --- a/libevmasm/ExpressionClasses.cpp +++ b/libevmasm/ExpressionClasses.cpp @@ -255,6 +255,7 @@ Rules::Rules() {{Instruction::AND, {X, 0}}, [=]{ return u256(0); }}, {{Instruction::MUL, {X, 0}}, [=]{ return u256(0); }}, {{Instruction::DIV, {X, 0}}, [=]{ return u256(0); }}, + {{Instruction::DIV, {0, X}}, [=]{ return u256(0); }}, {{Instruction::MOD, {X, 0}}, [=]{ return u256(0); }}, {{Instruction::MOD, {0, X}}, [=]{ return u256(0); }}, {{Instruction::OR, {X, ~u256(0)}}, [=]{ return ~u256(0); }}, @@ -272,6 +273,11 @@ Rules::Rules() {{Instruction::MOD, {X, X}}, [=]{ return u256(0); }}, {{Instruction::NOT, {{Instruction::NOT, {X}}}}, [=]{ return X; }}, + {{Instruction::XOR, {{{X}, {Instruction::XOR, {X, Y}}}}}, [=]{ return Y; }}, + {{Instruction::OR, {{{X}, {Instruction::AND, {X, Y}}}}}, [=]{ return X; }}, + {{Instruction::AND, {{{X}, {Instruction::OR, {X, Y}}}}}, [=]{ return X; }}, + {{Instruction::AND, {{{X}, {Instruction::NOT, {X}}}}}, [=]{ return u256(0); }}, + {{Instruction::OR, {{{X}, {Instruction::NOT, {X}}}}}, [=]{ return ~u256(0); }}, }; // Double negation of opcodes with binary result for (auto const& op: vector<Instruction>{ |